If you're at a crossroads in life and feeling desperate for a fresh chapter, be it an adventure that takes you far away or an intense spiritual journey inwards, Niki may just inspire you to take the first step: "I once pulled myself out of a depression by closing my eyes and pointing to a world map," says the author, who thrives on taking risks. "My finger landed on Spain. I left two months later and gave myself permission to do whatever I wanted. My decision to travel was not rational but it was right."

We admire her bold moves and free spirit. Everyone should take a solo adventure at some point in their life, be it planned or spontaneously decided by an impulsive waving finger.